发明人杨光,罗永刚,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113802882 A, 授权公告日 2024-03-10.
发明人孙丽萍,黄志刚,何建平. "Method for the Synthesis of [(3Z)-1-[(4-Chlorophenyl)methyl]-5-methyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino acetate" [P]. 中国发明专利, 专利号 CN 113202743 A, 授权公告日 2023-07-13.
发明人郭海燕,孙丽萍,张德明. "A Process for Preparing High-Purity [(3Z)-1-[(4-Chlorophenyl)methyl]-5-methyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino acetate" [P]. 中国发明专利, 专利号 CN 113556523 A, 授权公告日 2024-07-05.
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